Sudden movement in operations to make lenses

• Science of vision
• The branch of physics that studies the physical properties of light
• Fiber ___
• Area of light research
• Political perception
• Science dealing with light
• Way things look to the public, informally
• Public perception of an event, politically

Wiktionary Word definitions in Wiktionary
n. 1 (label en physics) The physics of light and vision. 2 The light-related aspects of a device.

Longman Dictionary of Contemporary English Word definitions in Longman Dictionary of Contemporary English
noun COLLOCATIONS FROM OTHER ENTRIES fibre optics ▪ fibre optic cables COLLOCATIONS FROM CORPUS ■ NOUN fiber ▪ To head off competition, the telcos have invested heavily in fiber optics and sophisticated switching technology. ▪ But fiber optics may change ...